Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 56
Página vii
... increases , Wings , their form , etc. All wings screws , structurally and functionally , 114 115 · 118 · 120 · 124 132 136 · · The wing , during its action , reverses its planes , and describes a figure - of - 8 track in space , 140 The ...
... increases , Wings , their form , etc. All wings screws , structurally and functionally , 114 115 · 118 · 120 · 124 132 136 · · The wing , during its action , reverses its planes , and describes a figure - of - 8 track in space , 140 The ...
Página 7
... increasing as the medium to be traversed becomes less dense . It , however , does not essentially differ from the other two , and I shall be able to show in the following pages , that the materials and forces employed in flight are ...
... increasing as the medium to be traversed becomes less dense . It , however , does not essentially differ from the other two , and I shall be able to show in the following pages , that the materials and forces employed in flight are ...
Página 8
... increasing in size as the medium to be traversed becomes less dense and the fulcrum more movable . Thus terrestrial animals have smaller travelling surfaces than amphibia , amphibia than fishes , and fishes than insects , bats , and ...
... increasing in size as the medium to be traversed becomes less dense and the fulcrum more movable . Thus terrestrial animals have smaller travelling surfaces than amphibia , amphibia than fishes , and fishes than insects , bats , and ...
Página 27
... increased . This alternate diminution and increase of the angles formed by the osseous levers produce the movements ... increases with their length , and vice versa . It is a curious circumstance , and worthy the attention of those in ...
... increased . This alternate diminution and increase of the angles formed by the osseous levers produce the movements ... increases with their length , and vice versa . It is a curious circumstance , and worthy the attention of those in ...
Página 34
... increasing as the oblique muscles preponderate . The combination of ball - and - socket and hinge - joints , with their con- comitant oblique and longitudinal muscular cycles ( the former occurring in their most perfect forms where the ...
... increasing as the oblique muscles preponderate . The combination of ball - and - socket and hinge - joints , with their con- comitant oblique and longitudinal muscular cycles ( the former occurring in their most perfect forms where the ...
Contenido
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Términos y frases comunes
action aërial albatross angle animal arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave depressed described downward dugong effective stroke elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feet fins fish flexed flexible flexion flight flying foot force gannet glide hind horizontal direction humerus inclined planes increased insect wing joint kite less lever limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate pectoral fins pinion porpoise portion position posterior extremities posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse right arm root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking waved track weight wing descends